20975794

素因数分解:

$2^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{7529}}^1$

素因数の和:7737

約数の個数: 16

約数和(自身を含む): 36144000

約数和(自身を除く): 15168206

約数列:

[1, 2, 7, 14, 199, 398, 1393, 2786, 7529, 15058, 52703, 105406, 1498271, 2996542, 10487897, 20975794]

約数ペア:

[(1, 20975794), (2, 10487897), (7, 2996542), (14, 1498271), (199, 105406), (398, 52703), (1393, 15058), (2786, 7529)]